#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: Generic dynamic event - add/remove kprobe events

[ -f dynamic_events ] || exit_unsupported

grep -q "place: \[<module>:\]<symbol>" README || exit_unsupported
grep -q "place (kretprobe): \[<module>:\]<symbol>" README || exit_unsupported

echo 0 > events/enable
echo > dynamic_events

PLACE=_do_fork

echo "p:myevent1 $PLACE" >> dynamic_events
echo "r:myevent2 $PLACE" >> dynamic_events

grep -q myevent1 dynamic_events
grep -q myevent2 dynamic_events
test -d events/kprobes/myevent1
test -d events/kprobes/myevent2

echo "-:myevent2" >> dynamic_events

grep -q myevent1 dynamic_events
! grep -q myevent2 dynamic_events

echo > dynamic_events

clear_trace
